113687 has 8 divisors (see below), whose sum is σ = 132000. Its totient is φ = 95904.

The previous prime is 113683. The next prime is 113717. The reversal of 113687 is 786311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113687 - 2² = 113683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 113687.

It is not an unprimeable number, because it can be changed into a prime (113683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (16500).

2¹¹³⁶⁸⁷ is an apocalyptic number.

113687 is a deficient number, since it is larger than the sum of its proper divisors (18313).

113687 is a wasteful number, since it uses less digits than its factorization.

113687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its digits is 1008, while the sum is 26.

The square root of 113687 is about 337.1750287314. The cubic root of 113687 is about 48.4436586689.

Adding to 113687 its reverse (786311), we get a palindrome (899998).

The spelling of 113687 in words is "one hundred thirteen thousand, six hundred eighty-seven".